If you can get to London and get an extra $ 65, you might want to try one of the finest piers in the world.
The ground and brewed "table side" of your own personal barista, "Ethiopian cup of Excellence Queens Coffee" is served in a crystal wine glass and is a generous portion that can even extend to two.
With only 15 servings on offer, this is not your average latte or flat white, so do not even think about asking for milk, sugar or a sprinkle of chocolate on top.
The newly opened coffee bar aims to be the finest in London.
Queens of Mayfair
Victoria Sheppard, who co-founded Queens of Mayfair with her sister Grace Sheppard, told CNN that a customer, who described himself as a "coffee fanatic", travels several hours to taste the drink.
"We have coffee connoisseurs who come to us everywhere," she said, describing their latest acquisition as a "very rare commodity".
It was bought back in June and roasted last month by Difference Coffee, the roaster that supplies Queens of Mayfair and one of only eight companies worldwide that were invited to town on the beans.
The coffee was ranked 91.08 / 95 by the competition's international panel of judges and coffee experts after rigorous tasting and testing, according to Queens.
The beans are sold for up to £ 2000 per kilo (around $ 2600) and are really fair trade as the Cup of Excellence program is designed to reward farmers for excellence, which means they get most of the auction price – 155 times the normal commodity price.
It is one of many rare premium coffee the sisters intend to show off at their cafe, which opened just last month.
However, apart from this flagship style, the rest of the menu is significantly more accessible. A regular espresso costs just over two pounds, and you can pick up British classics such as a sausage roll for £ 4.50 or cheese and toast for £ 6.
The cafe, which also serves reasonably priced wine and cocktails, opens late to capture the evening crossover audience.
Chief bartender Massimo Golfetto prepared the coffee for CNN Travel.
Maureen O & # 39; Hare / CNN
CNN Travel headed down to Mayfair, where bartender Massimo Golfetto weighs out the portion of the gram, paints it by hand at our table and expertly brews it in a glass V60 filter , which has an angle of 60 degrees, so that the coffee can drip with an optimal flow rate.
"It's lighter, almost transparent," he explains as he rather brews in the curved glass with his elegant stem. "It looks more like a tea than a coffee."
As an Italian used to beat strong espressos, he says: "When I had coffee for the first time, it was a completely different experience."
Raising the glass and a sip, the aroma is floral and tastes delicate and light. It can be one of the few experiences in 2020 not to leave a bitter taste in your mouth. When it comes to coffee, this creation shows that may not always be right.
The curved glass "captures all tastes to have a better experience on the nose," Golfetto explains.
The taste develops when the coffee cools, the character unfolds like a petal.
"It's like a nice bottle of wine," says Sheppard. "It's not about the strength or the sharpest coffee. It's about the complexity of the taste and interesting taste notes."
There is already great interest in the exclusive coffee experience.
Queens of Mayfair
The process involves a three-minute "flowering phase", which is when the taste really develops and intensifies, she explained.
A total of 250 grams of water is added to 15 grams of coffee. The liquid passes through the glass filter to a carafe, before being served in a crystal glass.
Purists will be happy to hear that coffee is served black and straight.
Adding milk will be "like getting a good wine and filling it with soda," says Sheppard. "It's very much about raw taste in something organic and unmodified."